Particles size distribution of quartz sand for AAC production
1
Sumitomo Metal Mining Siporex Co., Ltd, Research and Development Center, Japan
Publication date: 2011-12-01
Cement Wapno Beton (Special 2011 16) 7-11 (2011)
KEYWORDS
ABSTRACT
: Quartz sand is generally used as a siliceous raw material for AAC production. The growth rate of tobermorite during autoclaving is controlled by dissolution of silica from quartz sand. And also, the theoretical proportion of dissolution of silica from quartz sand depends on Ca/Si ratio of
raw materials. Therefore particle size distribution of quartz sand is very important for the production effi ciency as well as the mechanical properties of AAC. In this paper, the optimal particle size distribution of quartz sand will be proposed.
REFERENCES (6)
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2.
Mitsuda T.T., Sasaki K., Ishida H., 1992, Infl uence of Particle Size of Quartz on the Tobermorite Formation, in Advances in Autoclaved Aerated Concrete, Edited by F. H. Wittmann, pp. 19-26, Balkema.
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Isu N., Teramura S., Ido K., Mitsuda T., 1992, Infl uence of Quartz Particle Size on the Chemical and Mechanical Properties of Autoclaved Aer ated Concrete, in Advances in Autoclaved Aerated Concrete, Edited by F. H. Wittmann, pp. 27-34, Balkema.
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Sakiyama M., Mitsuda T., 1977, Effect of Al for the Formation of Tobermorite, Semento Gijutsu Nenpou, 31, pp.46-49 (in Japanese).
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| ISSN: | 1425-8129 |
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